The opening ceremony of the Winter Olympics kicked off on Friday — at 8 p.m. in South Korea and at 6 a.m. ET in the U.S. — with 2,900 athletes from 92 countries gathering to compete for 102 medals in Pyeongchang. The U.S. Olympic team was led into Pyeongchang Olympic Stadium by flag-bearer Erin Hamlin. […]